OpenAI Officially Launches GPT-5.5 Instant, Significantly Enhancing Model Performance
OpenAI officially released the GPT-5.5Instant model and set it as the default version for ChatGPT, replacing GPT-5.3Instant. The new version focuses on three major optimizations: more accurate responses, more concise expression, and more personalized perception. Especially in mathematical and professional fields, it shows remarkable performance, effectively reducing 'hallucinations' and improving user interaction experience.
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